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Coated dental articles and related methods of manufacture
专利权人:
William E. Wyllie, II;Steven D. Theiss;Geoffrey P. Morris
发明人:
Geoffrey P. Morris,William E. Wyllie, II,Steven D. Theiss
申请号:
US13812006
公开号:
US09539182B2
申请日:
2011.08.22
申请国别(地区):
US
年份:
2017
代理人:
摘要:
Provided are dental articles, and methods of making articles, having an aesthetic inorganic coating based on zirconia at least partially stabilized with yttrium oxide, calcium oxide, cerium oxide, or magnesium oxide. Stabilized zirconia coatings were found to provide a smooth, low friction surface having high abrasion resistance. These coatings are particularly applicable to orthodontic appliances. While virgin stabilized zirconia coatings can often have an undesirable color cast, it was discovered that this color cast can be substantially eliminated by heat treating the coated appliance in an oxygenated environment. The combination of depositing a stabilized zirconia coating and subsequently heat treating to decolorize the coating provides a surprisingly robust, stable, low-friction coating that is also aesthetic.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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